Photo published on the cover of the issue of the Royal Society Philosophical Transactions B
- Luca Antonio Marino
- Oct 19, 2015
- 1 min read
Updated: Jun 1, 2020
In Fazenda Boa Vista (Piauí, Brazil), wild bearded capuchin monkeys (Sapajus libidinosus) habitually use percussive tools. This alpha male, weighing 4.2 kg, uses a 3.5 kg stone tool to crack a very resistant piassava nut.
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